Capture the flag may sound like a war game, but in Colorado Springs — home to five military installations — it is focused on cybersecurity and more like a difficult and technical game of “Jeopardy!” A capture the flag competition this month at the National Cybersecurity Center was the first step in a new partnership between the Colorado Springs-based think tank and military technology contractor Boecore Inc. that is designed to expand the competition from dozens of players to more than 150 in six months.